Fix primitive override problem in Kotlin-Java inheritance

See the comment in JetTypeMapper

compiler/testData/compileJavaAgainstKotlin/method/primitiveOverride/OverrideInJava.java

@@ -0,0 +1,12 @@
+class ExtendsB extends B {
+    @Override
+    public Integer foo() {
+        return 239;
+    }
+
+    void test() {
+        int x = foo();
+        Integer y = foo();
+        Object z = foo();
+    }
+}